Established Isuzu Parts Industry Co., Ltd.
Established Tokyo Brake Industry Co., Ltd.
Merged Isuzu Parts Industry Co., Ltd. and Tokyo Brake Industry Co., Ltd. to establish Tokyo Parts Industry Co., Ltd.
Constructed a new factory at 30-17 Haginaka 3-chome, Ota-ku, Tokyo, and relocated headquarters and factory.
Absorbed and merged with Daiichi Seiki Co., Ltd.
Established Tokyo Seiko Co., Ltd. as a subsidiary in Fukushima Prefecture.
Listed shares on the Second Section of the Tokyo Stock Exchange.
Relocated headquarters and factory to 1-6-1 Tsukimino, Yamato City, Kanagawa Prefecture.
Established Tsuruoka Brake Co., Ltd. as a subsidiary in Yamagata Prefecture.
Established Tokyo Parts Rockwell Co., Ltd. (the predecessor of TBK Co., Ltd.) as a joint venture with Rockwell International of the United States.
Established TBK Sales Co., Ltd. (now TBK Sales Co., Ltd., consolidated subsidiary) as a subsidiary.
Established TBR Sales Co., Ltd. (currently TBK Sales Co., Ltd., a consolidated subsidiary) as a subsidiary.
Established TBK Krungthep Co., Ltd. as a joint venture with CM Industry Co., Ltd. of Thailand.
TBK Co., Ltd. absorbed and merged with Tsuruoka Brake Co., Ltd. (now Tsuruoka Factory).
TBR Co., Ltd. absorbed Tsuruoka Brake Co., Ltd. (currently Tsuruoka Factory).
Established Full Win Developments Ltd. in Hong Kong as a subsidiary (now consolidated subsidiary).
Established TBK Brake Co., Ltd. (now TBKK (Thailand) Co., Ltd., consolidated subsidiary) as a joint venture with CM Industry Co., Ltd. of Thailand.
Established a joint venture with C.M. Industries in Thailand, TBK Brake Co., Ltd. (currently TBKK (Thailand) Co., Ltd., a consolidated subsidiary).
Established TBK India Private Ltd. as a joint venture with Lubricare of India.
Relocated factory to 304-7 Miyunomae, Kawabe, Tamagawa Village, Ishikawa District, Fukushima Prefecture.
Relocated the headquarters to 1-21-4 Minami-Naruse, Machida City, Tokyo
Constructed Tokyo Parts Industry Building (Shopping Center "Tsukimino Saty" (Aeon Tsukimino Store)) on the site of the former headquarters factory and started leasing business
Established TBK America, Inc. (current consolidated subsidiary) in the United States as a subsidiary
Established Chang’an TBK Co., Ltd. (current Dongguan TBK Co., Ltd., a consolidated subsidiary) in China as a subsidiary
Transferred all business rights of TBK Krungthep Co., Ltd. to TBK Brake Co., Ltd.
Designated as a stock of the First Section of the Tokyo Stock Exchange
Changed the trade name to TBK Corporation (TBK Co., Ltd.)
Established a joint venture with Changchun Shili Automotive Brake Parts Co., Ltd. in China (current consolidated subsidiary)
Started operation of TBK America, Inc. Richmond factory
Obtained ISO/TS16949 certification
Obtained ISO14001 certification
Established TBK China Co., Ltd. (current Dongguan TBK Co., Ltd., a consolidated subsidiary) in China as a subsidiary
Established Qiaotou TBK Co., Ltd. (current Dongguan TBK Co., Ltd., a consolidated subsidiary) in China as a subsidiary
Made TBK India Private Ltd. (current consolidated subsidiary) a subsidiary
Established a joint venture with FAW Sihuan Automotive Brake Co., Ltd. in Changchun, China (current Changchun FAWSN TBK Co., Ltd., an associated company accounted for using the equity method)
Established TBK TECHNOLOGY (THAILAND) CO., LTD. in Thailand as a subsidiary
Sold the site of the former headquarters factory, Tokyo Parts Industry Building (Aeon Tsukimino Store)
Obtained IATF16949 certification
Acquired shares of Kimura Forging Co., Ltd. (current consolidated subsidiary)
Acquired shares of Suntech Co., Ltd. (current consolidated subsidiary)
Established a subsidiary in China, Tongchuan TBK Auto Parts Co., Ltd. (currently a consolidated subsidiary)
Dongguan TBK Co., Ltd. absorbed Chang'an TBK Co., Ltd. and TBK China Co., Ltd.
Due to the review of the market classification of the Tokyo Stock Exchange, transitioned from the First Section of the Tokyo Stock Exchange to the Prime Market.
Transitioned to the Tokyo Stock Exchange Standard Market.
Merged with Tokyo Seiko Co., Ltd. and TBR Co., Ltd.
On September 24, 2026, more than 20 employees cleaned roads and sidewalks around TBK’s Naruse headquarters. The company plans to continue regular beautification activities to contribute to the local community and raise employees’ environmental awareness.
An interview with Hiroko Ishimori, a recruiter at TBK's Fukushima Plant, has been published. It covers what she tells high school students at company information sessions and how she addresses new employees' concerns after they join.
As the recruitment representative at the Fukushima Plant, Hiroko Ishimori discusses what she tells high school students at company information sessions and the importance of speaking with them about concerns they may have after joining. The article describes specific initiatives for people considering employment and those interested in recruitment in manufacturing.
On August 20, 2026, 15 students from Obihiro Technical College visited the Tokachi vehicle testing center. They toured the facilities and took test rides to learn about vehicle diagnostics and maintenance. In the electric vehicle, they experienced its quiet operation and acceleration and learned about environmentally friendly technologies.
The TBK Group is holding a three-part workshop on calculating CO₂ emissions, aiming to decarbonize its entire supply chain. Participating companies will assess their own emissions and identify reduction measures. The first session, attended mainly by executives, was well received.
The TBK Group is holding a study session on CO₂ emission calculation aiming for decarbonization across the entire supply chain. The first session explained the importance of decarbonization and its impact on management, receiving understanding and increased awareness from many participants. They plan to continue efforts toward calculation and reduction.
TBK Co., Ltd. published its analysis and results from the board effectiveness evaluation conducted in FY2025. The company conducts an evaluation every year to improve corporate value over the medium to long term and has reported an outline of this year's results.
株式会社ＴＢＫは、2025年度の取締役会の実効性に関する分析と評価を実施し、その結果を報告しました。中長期的な企業価値向上を目的とした取り組みの一環です。詳細な評価内容については、今後の公開を予定しています。
TBK Corporation showcased its efforts towards future commercial vehicle technology by jointly exhibiting next-generation e-Axle and collaborating with India's leading brake company at the 2026 Human and Vehicle Technology Exhibition.
An article about the prototype of the e-Axle under development, exhibited at Pacifico Yokohama, was published in the Nikkan Kogyo Shimbun on May 29, 2026.